JPH03219784A - Interval recorder - Google Patents

Abstract

PURPOSE:To easily recognize a recording timing by displaying a remaining time till a succeeding recording before the recording at interval recording. CONSTITUTION:In the case of the second count-down processing, a second data is set to a variable (m) in place of a variable (n) of the minute count-down processing and the second data is displayed at the lower right in caption 32 in figure and the count-down processing is executed till a second data 00sec is reached. With m=0 reached, since the time display processing at recording is executed, the remaining time by the count-down display is easily recognized.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an interval recording device, and more particularly to an interval recording device useful for use in interval photography.

[Prior art] As is well known, the SVF (still camera) of electronic still cameras, etc.
The mode for recording image information on a magnetic recording medium used in video floppy (video floppy) systems and having up to 50 concentric recording tracks formed at equal intervals includes the normal 1
There is a mode in which images are taken and recorded frame by frame, and an interval recording mode in which recording is performed continuously at an arbitrarily determined interval time when a read operation is performed once. Regarding this kind of interval recording mode, for example, Japanese Patent Laid-Open No. 63-13
No. 3351, JP-A-54-140507.

It is disclosed in various publications such as JP-A-62-110378.

That is, in the image recording apparatus described in the above-mentioned Japanese Patent Application Laid-Open No. 63-133351, the head state during interval shooting is disclosed, and in the image recording apparatus capable of long interval shooting, interval shooting is performed over a long period of time. It is an object of the present invention to provide a magnetic recording device in which wear of a magnetic head and a magnetic sheet is extremely small even when the magnetic head and magnetic sheet are worn out, and further, recording and reproduction are not impossible due to impressions. In order to achieve this purpose, in an image recording apparatus that records a still image on the magnetic sheet by bringing a magnetic head into close contact with the recording area of a removable rotating magnetic sheet, the magnetic head is inserted into the magnetic sheet at predetermined intervals. recording interval setting means for transporting the magnetic sheet in the radial direction and for setting recording to be performed using the predetermined ink pulse; a driving means for rotating the magnetic sheet; and a driving means for rotationally driving the magnetic sheet. A first state in which the magnetic head is in close contact with the recording area of the sheet and a recordable state is maintained, and a second state in which the magnetic head is released from close contact with the recording area and in a non-recordable state. a state holding means for holding the magnetic sheet and the magnetic head in a first state at least during recording set by the recording interval setting means, and at a non-recording time set by the recording interval setting means; and a control means for controlling the state holding means to the second state. As a result, the magnetic sheet is constantly rotated during recording, and the contact state between the recording surface of the magnetic sheet and the magnetic head is released during non-recording, so that the magnetic head is able to record on the magnetic sheet during non-recording during long interval shooting. Since there is no contact or strong contact with the surface, wear of the magnetic head and magnetic sheet is reduced, and since the magnetic head does not leave impressions on the recording surface, dropouts due to these impressions do not occur.

The image recording apparatus described in Japanese Patent Application Laid-Open No. 54-140507 discloses mode settings during interval recording. That is, in an image recording device that uses a recording medium that can set a plurality of recording tracks separately from each other and can record an image signal for each recording track, the operation mode of the device is set to one recording mode. It is characterized by a mode switching means that can switch between a first mode in which recording is performed only on a track and a second mode in which continuous recording is performed in a plurality of tracks, and is relatively simple. The logical configuration allows continuous recording to multiple tracks in addition to recording only one image, and in particular, by making it possible to record a moving object like an exploded photograph, it has a unique feature when playing back. You can enjoy interesting image playback, and the improved functionality of the recording device allows you to use it for a variety of purposes.

The image recording apparatus described in the above-mentioned Japanese Patent Application Laid-Open No. 110378/1987 discloses means for interval recording. That is, a recording means for recording during relative rotational movement with a recording medium, a driving means for relatively rotationally driving the recording medium and the recording means, and a driving means for driving the recording medium and the recording means in relative rotation, and a driving means for driving the recording medium and the recording means at predetermined time intervals. and a control means for controlling the drive means to continue rotating the drive means even during the predetermined time interval,
As a result, the recording body and the recording means continue to rotate relative to each other even during the predetermined time by the interval means, so the recording interval can be set more accurately than by starting both intermittently at each interval time. can be set, and power consumption can be further reduced.

[Problems to be Solved by the Invention] However, in the proposals disclosed in various publications including the above-mentioned Japanese Unexamined Patent Publication No. 63-133351, there is no equivalent disclosure regarding the display means for interval recording (, During recording standby, it was difficult to determine when to perform a recording operation.

SUMMARY OF THE INVENTION An object of the present invention is to provide an interval recording device that solves the above-mentioned problems and allows a user to easily recognize recording timing when taking interval photographs.

[Means for Solving the Problem] The interval recording device of the present invention is an interval recording device that can automatically and intermittently record images at predetermined intervals, and the remaining time until the next recording is recorded before the next recording. It is characterized by comprising a display means for displaying.

[Function] In this interval recording device, the remaining time until the next recording is displayed on, for example, a CD display placed above the camera.

[Implementation example] The present invention will be explained below with reference to illustrated embodiments.

First, prior to a detailed explanation of the present invention, Section 2.3
An overview of an SVF still video recording and reproducing machine to which the present invention is applied will be explained with reference to the drawings.

FIG. 2 is a layout diagram of a front panel of a still video recording/playback machine (hereinafter abbreviated as a record/playback machine) to which the interval recording device according to the present invention is applied.

In the figure, on the upper stage of the operation panel 2 on the front of this recorder/player, from the left, there is a floppy disk insertion hole 2a for inserting and removing an information recording medium such as a floppy disk; Erase switch 2g to erase,
Single-frame REC switch 2h for recording one frame of image information on the recording medium and interval RE for recording at intervals
A C switch 21 is provided respectively. Further, in the lower row, from the left, a power switch 2b, an eject switch 2c to eject the recording medium, a playback switch 2d to read recorded information, a stop switch 2e to stop the rotation of the recording medium, and a stop switch 2e arranged on the recording medium. +/- switch 2fb that moves the magnetic head toward the center or toward the outer circumference to select 50 concentric tracks
, 2fa are respectively provided.

FIG. 3 is a block system diagram showing the electrical configuration of the recorder/player shown in FIG. 2 above. In the figure, when a video signal 12 such as the NTSC system is applied to the input circuit section 11, the input video signal is converted into a luminance signal (Y signal) by the circuit section 11.
and is converted into a color difference signal (R-Y/B-Y signal). These luminance signals (Y signals) and color difference signals (R-Y/B-Y signals) are FM-modulated by the FM modulation section 10. And F
The M-modulated luminance signal and the FM-modulated color difference signal in the form of a line sequential signal are mixed in the recording circuit section 9 to obtain a recording current to be applied to the magnetic head 7. This recording current is applied to the magnetic head 7 through a recording side contact 13a of a recording/reproducing switch 13 controlled by a system control section 4, which will be described later.
is supplied to

The head 7 is controlled by a system control section 4 which sends a video system control signal 21 to each circuit and controls the operation sequence of the entire recorder/player.

The head drive unit 8 moves the head in the radial direction of the magnetic disk 6, thereby accessing a desired recording track. Note that the system control section 4
The operation of the recorder/player is controlled by manual key input from various switch groups provided on the operation panel 2 of the recorder/player shown in FIG. Further, the magnetic disk 6 is connected to a spindle motor drive circuit 5 controlled by the system control section 4.
It is designed to be rotationally driven by.

During reproduction, when the reproduction information read by the magnetic head 7 is supplied to the reproduction circuit section 14 via the reproduction side contact 13b of the recording/reproduction switch 13, the circuit section 14 reproduces the signal recorded on the disk. It amplifies and outputs the reproduced RF signal to the FM demodulator 15.

The demodulation section 15 performs FM demodulation on the reproduced RF signal and outputs a reproduced luminance signal and a reproduced color difference signal to the signal processing section 16.

Then, the processing unit 16 performs dropout compensation and skew correction for the reproduced luminance signal, and performs synchronization processing, dropout compensation, skew correction, etc. for the reproduced color difference signal, and combines the synchronized R-Y signal and B -Outputs Y signal. The reproduced luminance signal output from the signal processing section 16 and R
The -Y signal and the B-Y signal are output as a video output signal (NTSC signal, etc.) 18 which is a playback output in the output circuit section 17, and an image is thereby displayed inside the recorder/player or on a monitor connected to the outside. Is displayed.

At this time, the character creation signal 20 from the system control section
As a result, a character signal is created in the character signal creation circuit 19, and this is made into a character signal 23 and superimposed on the video signal in the output circuit section 17 to output the video signal 18. Further, in order to output it to a monitor during recording, the video signal 12 is supplied to the output circuit section 17 as a recording monitor signal 22 via the input circuit section 11. At this time, the character signal 23 can also be superimposed, and the video signal on which the character signal has been superimposed is output to the video signal output 18.
is output as

Next, a first embodiment in which the present invention is applied to the recorder/player configured as described above will be described below based on the flowcharts shown in FIGS. 4 to 6.

Figure 4 shows the main routine of interval recording processing.
Here, the interval time can be set from 01 seconds to 60 minutes, and a countdown in minutes is executed first, and then a countdown in seconds is executed, respectively.

In the figure, when this main routine starts, first in step S1, for example, 10
Recall interval times such as seconds and 50 seconds. Then, the process proceeds to step S2, and it is determined whether or not there is data of 1 minute or more in this set interval time, and if there is no data of 1 minute or more, that is, "oo° minutes," the process proceeds to step S5 and The seconds count data is set and the process directly proceeds to step S6. On the other hand, there is minute data, that is "00"
If not, the process proceeds to step S3 to execute a subroutine "minute" countdown process to be described later, and then, in step S4, 4 seconds count data "60" is set, and the process proceeds to step S6.

In step S6, a subroutine "second" countdown process, which will be described later, is executed. Then, the process advances to step S7, and "1-frame REC" is performed after all countdown processing.
Execute. Thereafter, in step S8, it is determined whether or not the recording process has been performed on all 50 tracks. If the recording process has not been completed, the process returns to step S1, and the process returns to step S8.
1 to S7 are repeatedly executed. As a result, if all 50 tracks have been recorded, the process advances to step S9, where a stop process is executed and the process ends.

The above is an explanation of the main flow.

FIG. 5 is a flowchart showing details of the subroutine "minute" countdown process of step s3 in FIG. 4. In the figure, when this subroutine starts and proceeds to step s11, “
The minute "data" is set in the variable area "n".Then, the process advances to step S12 and the "display process" is executed. For example, when it is desired to display 10 minutes, "10 m" is displayed in the lower right corner of the screen 31, as shown in FIG. 7(A).

In step 813, it is determined whether or not the stop switch 2e shown in FIG.
If e is pressed, the subroutine "5T" of step S9 in the main flowchart shown in No. 4rllJ is executed.
Jump to "OP processing".

As a result, if a stop operation is performed, the recording operation is stopped and the process proceeds to stop processing. On the other hand, if the stop switch has not been pressed, the process advances to step S14, where it is determined whether one minute has elapsed, and the steps described in step S13. Wait while repeating S14. After one minute has elapsed, the process advances to step S15 and the step Sll described above is performed.
"Minute."

After performing a countdown process to subtract 1 from the variable 'n'' in which the data is set, the process proceeds to step S16. In this step S16, it is determined whether -1, that is, the remaining time is 1 minute, and n=1. The above steps S12 to S15 are repeated until.

When the remaining time reaches one minute, this subroutine is ended and the process returns to step S4 shown in FIG. 4 above.

The above is an overview of the "minute" countdown process.

Next, the "second" countdown process will be explained with reference to FIG. This FIG. 6 is a flowchart showing details of the subroutine "second 2 countdown process" in step S6 in FIG. 4. In this flow, the variable "m" is used instead of the variable "n" in FIG. Set the second data, display this second data at the lower right corner of the screen 32 as shown in FIG. 7(B), and execute the countdown process until the "second" data reaches 00 seconds. There is no difference from the above-mentioned FIG. 5 except that when the value becomes 0, display processing during recording is performed in step S27, so a detailed explanation thereof will be omitted.

As explained in the above flow, according to the first embodiment, during interval recording, it is displayed in an easy-to-understand manner how many seconds it will take to enter the recording state and when the recording state will be entered. This will be explained with reference to FIG. Now, if the interval time is 4 seconds, first, 04 will be displayed in the lower right corner as shown in screen 1a four seconds before the start. Thereafter, 03 is sequentially displayed as shown on screen 1b three seconds before, 02 as shown on screen IC when two seconds before, and 01 as shown on screen 1d one second before. When the recording state is entered, 00 is displayed as shown in screen 1e. After that, the next interval time of 4 seconds will be displayed in its lower right corner as shown in screen 1f, and 50
This process is repeated until the track is recorded.

The above is the description of the first embodiment of the present invention. Next, a second embodiment of the present invention will be described with reference to FIG. 8.9.

In this second embodiment, interval recording is interrupted for an arbitrary time by using a wait key during countdown display during interval recording, and this will be explained below with reference to FIG.

In the figure, assume that during the countdown, for example, 03 is displayed as shown on screen 41 three seconds ago, and 02 is displayed as shown on screen 42 two seconds ago. If you perform a "wait key operation" 47 two seconds before this recording, the countdown process will be interrupted and "WO21" will continue to be displayed as shown in screen 43.This wait key operation will be waited for an arbitrary period of time. After that, when the wait release key operation 48 is performed, the interruption of recording is canceled and "02" is displayed as shown in the screen 44, followed by "01°" on the screen 45, "00" on the screen 46, and the recording process is completed. will be held.

Processing to interrupt such interval recording is also performed by software, and its main flow is performed in "interval recording" shown in FIG. 4, but step S3
The "minute" countdown process in step S6 is different from the "seconds countdown process in step S6." Only the "seconds" countdown process will be explained below with reference to the flowchart in FIG.

In FIG. 9, steps S31 to 833 and steps S34 to S37 are the steps S2 in FIG.
1 to S23 and steps S24 to S27, the explanation thereof will be omitted.

In step 338, it is determined whether or not the "Walt" key has been pressed. If it has not been pressed, the process advances to step S34; if it has been pressed, the process advances to step S39 and the "5TOP" key is pressed again.
Determine whether a key has been pressed. And “5TOP
If the "key has been pressed, the process jumps to step S9 in FIG. 4, and if it has not been pressed, the process waits until "Wait" is released while repeatedly executing steps S39 and S40. "Wait" When the countdown process is canceled, the process advances to step S34 and the countdown process is restarted.

The above is the description of the second embodiment of the present invention. Next, a third embodiment of the present invention will be described with reference to FIG. 10.11. This third embodiment attempts to forcibly perform a recording operation by canceling the countdown during a countdown display during interval recording, and will be explained below with reference to FIG. 10.

In FIG. 10, it is assumed that during the countdown of the interval time 09 seconds, for example, 06 was displayed as shown on screen 51 6 seconds ago, and 05 was displayed as shown on screen 52 5 seconds ago. Forced REC key operation 56 5 seconds before this
When executed, interval recording is interrupted and screen 5 appears.
00, such as 3, is displayed and the actual recording operation is executed.

When the forced recording operation is finished, interval recording is restarted, and 09 is displayed as shown on screen 54, and 08 is displayed sequentially as shown on screen 55 when 1 second has passed and 8 seconds have passed, as shown in screen 55. Become.

The flowchart for such forced recording operation is also
As in the second embodiment, the main flow shown in FIG. 4 is executed, but steps S3 and 8 in the same flow are
6 is slightly more accurate. Therefore, the details of the "second" countdown process in step S6 will be explained with reference to FIG. In FIG. 11, steps S51 to S57 are the same as steps 321 to S27 in FIG. 6 in the first embodiment, so their explanation will be omitted, and step 358. Only S59 will be explained. That is, unless the forced REC key is pressed, the same operation as in the first embodiment is performed. On the other hand, when the forced REC key is pressed, the second data variable m is set to w0 and forced recording is executed.

In each of the embodiments described above, the countdown display during interval recording on a still video recorder/player is made to display time digitally on the monitor, but the present invention is not limited to this. Of course, the time may also be displayed in an analog manner. Furthermore, as for the display on the monitor, it goes without saying that a countdown display may be used, for example, on an EVF, LCD, etc. in an electronic still camera.

[Effects of the Invention] As described above, according to the present invention, during interval recording in which images are automatically and intermittently recorded at predetermined intervals, the remaining time from recording wait until recording can be easily recognized by the countdown display. The remarkable effect of being able to do so is demonstrated.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing a display example in an interval recording device according to a first embodiment of the present invention, and FIGS. 2 and 3 are
A front view of the operation panel in a still video recording/playback device to which the present invention is applied, a block system diagram showing the overall electrical configuration, FIG. 4 is a flowchart of the main flow of interval recording, and FIG. 5.6 is 7(A) and 7(B) are flowcharts showing details of the subroutines of step S3 and step S6 in FIG. 8 and 9 are screen layout diagrams of minute unit display and second unit display when performing the display process of S22. Flowchart of Countdown Processing FIG. 10.11 is a screen layout diagram in an interval recording apparatus showing a third embodiment of the present invention, and a flowchart of its "second" countdown processing.

Claims (1)

[Claims] (1) An interval recording device capable of automatically and intermittently recording images at predetermined intervals, characterized by comprising display means for displaying the remaining time until the next recording before the next recording. Device.